bool SDFShadowDemo::Init()
{
Log::Get().Open();
if (!Application::Init())
return false;
// Init the world matrix
m_worldMat = Matrix4f::Identity();
// Build the view matrix.
Vector3f pos = Vector3f(0.0f, 1.0f, -5.0f);
Vector3f target;
target.MakeZero();
Vector3f up = Vector3f(0.0f, 1.0f, 0.0f);
m_viewMat = Matrix4f::LookAtLHMatrix(pos, target, up);
// Build the projection matrix
m_projMat = Matrix4f::PerspectiveFovLHMatrix(0.5f * Pi, AspectRatio(), 0.01f, 100.0f);
BufferConfigDX11 cbConfig;
cbConfig.SetDefaultConstantBuffer(sizeof(CBufferType), true);
m_constantBuffer = m_pRender->CreateConstantBuffer(&cbConfig, 0);
LoadSDFBuffer();
BuildShaders();
BuildQuad();
LoadGeometry();
SamplerStateConfigDX11 sampConfig;
m_samplerID = m_pRender->CreateSamplerState(&sampConfig);
return true;
}
void SDFShadowDemo::UpdateScene(f32 /*dt*/)
{
auto frames = (f32)mTimer.FrameCount() / 1000;
//m_worldMat = Matrix4f::RotationMatrixY(frames);
m_worldMat = Matrix4f::Identity();
Matrix4f viewRot = Matrix4f::RotationMatrixY(frames);
// Build the view matrix.
m_cameraPos = Vector4f(0.0f, 1.0f, -5.0f, 1.0f);
m_cameraPos = viewRot * m_cameraPos;
Vector3f target;
target.MakeZero();
Vector3f up = Vector3f(0.0f, 1.0f, 0.0f);
m_viewMat = Matrix4f::LookAtLHMatrix(m_cameraPos.xyz(), target, up);
}
//----------------------------------------------------------------------------------------------------
Vector3f Vector3f::operator/ ( float fScalar ) const
{
Vector3f quot;
if ( fScalar != 0.0f )
{
float fInvScalar = 1.0f / fScalar;
quot.x = x * fInvScalar;
quot.y = y * fInvScalar;
quot.z = z * fInvScalar;
}
else
{
quot.MakeZero();
}
return( quot );
}
